<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) in pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
            <img class="icon-pic" :src='item.imgUrl'/>
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {}
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height:0
    padding-bottom:50%
  .icon
    overflow:hidden
    width:25%
    float:left
    padding-bottom:25%
    position:relative
    height:0
    .icon-desc
      position:absolute
      left:0
      right:0
      bottom:0
      line-height:.44rem
      height: 0.44rem
      color: $darkColor
      text-align:center
      ellipsis()
    .icon-img
      position:absolute;
      top:0;
      left:0;
      right:0;
      bottom:.44rem;
      box-sizing:border-box
      padding:.2rem
      padding-bottom:0
      .icon-pic
        height: 100%
        display:block
        margin:0 auto

</style>
